Search a number
-
+
228829088 = 2547152147
BaseRepresentation
bin11011010001110…
…10011110100000
3120221120201111102
431220322132200
5432040012323
634412333532
75446005125
oct1550723640
9527521442
10228829088
11108193754
12647742a8
133853c337
142256874c
1515151328
hexda3a7a0

228829088 has 24 divisors (see below), whose sum is σ = 460095552. Its totient is φ = 111979456.

The previous prime is 228829087. The next prime is 228829121. The reversal of 228829088 is 880928822.

228829088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (228829087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74570 + ... + 77577.

It is an arithmetic number, because the mean of its divisors is an integer number (19170648).

Almost surely, 2228829088 is an apocalyptic number.

It is an amenable number.

228829088 is an abundant number, since it is smaller than the sum of its proper divisors (231266464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228829088 is a wasteful number, since it uses less digits than its factorization.

228829088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152204 (or 152196 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 47.

The square root of 228829088 is about 15127.0978049327. The cubic root of 228829088 is about 611.6510748285.

The spelling of 228829088 in words is "two hundred twenty-eight million, eight hundred twenty-nine thousand, eighty-eight".

Divisors: 1 2 4 8 16 32 47 94 188 376 752 1504 152147 304294 608588 1217176 2434352 4868704 7150909 14301818 28603636 57207272 114414544 228829088